G01N 33/30
For lubricating properties
Official title: for lubricating properties
G01N33/30 (For lubricating properties) appears on 162 US grants and 141 published applications in this corpus.
Search patents in G01N- Granted patents
- 162
- Published applications
- 141
- Assignees
- 126
- Inventors
- 423
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 4 |
| 2003 | 4 | 1 |
| 2004 | 7 | 2 |
| 2005 | 3 | 9 |
| 2006 | 4 | 5 |
| 2007 | 6 | 5 |
| 2008 | 4 | 9 |
| 2009 | 3 | 3 |
| 2010 | 6 | 3 |
| 2011 | 3 | 1 |
| 2012 | 2 | 2 |
| 2013 | 4 | 6 |
| 2014 | 5 | 5 |
| 2015 | 3 | 6 |
| 2016 | 4 | 12 |
| 2017 | 5 | 7 |
| 2018 | 4 | 10 |
| 2019 | 5 | 7 |
| 2020 | 8 | 8 |
| 2021 | 6 | 8 |
| 2022 | 3 | 6 |
| 2023 | 7 | 8 |
| 2024 | 7 | 2 |
| 2025 | 8 | 4 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Conductive grease formulations and grounding solutions for electric drive unit22 Sep 2026US 12,742,130 B2Tesla, Inc.
- Real-time system and method for determining remaining useful oil life in vehicles18 Aug 2026US 12,710,001 B2Cummins Inc.
- Methods and devices for monitoring machine fluids14 Jul 2026US 12,681,003 B2LogiLube, LLC
- Traction or friction measurement apparatus and method of calibration30 Dec 2025US 12,510,431 B2Pcs Instruments Ltd
- Electrically insulated block-on-rotating-ring test unit and method23 Sep 2025US 12,422,426 B2Southwest Research Institute
- Nozzle manifold assembly8 Oct 2026US 2026/0307085 A1The Aerospace Corporation
- System for Predicting Physical Properties of Compressor Oil27 Aug 2026US 2026/0251632 A1Hitachi, Ltd.
- Friction testing apparatus and method13 Aug 2026US 2026/0235494 A1
- Learning device, trained model, prediction device, prediction program, and prediction method16 Jul 2026US 2026/0204360 A1Eneos Corporation
- Tribochemical in-situ characterization device and application18 Jun 2026US 2026/0168915 A1Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences
Most cited
By later US patents
- Modular data collection and analysis system379US 6,434,512 B1Reliance Electric Technologies, LLC · 2002
- Bearing-sensor integration for a lubrication analysis system78US 6,324,899 B1Reliance Electric Technologies, LLC · 2001
- On-site analyzer71US 6,452,179 B1Global Technovations, Inc. · 2002
- Integrated multi-element lubrication sensor and health lubricant assessment system59US 6,286,363 B1Reliance Electric Technologies, LLC · 2001
- Micro-viscosity sensor and lubrication analysis system employing the same56US 6,023,961 AReliance Electric Industrial Company · 2000